Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
RESOLUTION COPPER MINING
102 WEST MAGMA HEIGHTS DRIVE, SUPERIOR, AZ, 85173
Parent company: NA
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
Full release table
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| Year | Manganese | Lead And Lead Compounds | Lead | Mercury compounds | Mercury | Total (lbs) |
| 2020 | — | 155,730 | — | 107 | — | 155,837 |
| 2018 | 346,604 | — | — | — | — | 346,604 |
| 2012 | — | — | 7,454 | — | — | 7,454 |
| 2011 | — | — | 7,542 | — | — | 7,542 |
| 2010 | — | — | 8,419 | — | 2 | 8,421 |
▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.